﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Security;

using SimpleForum.Data.Repositories;
using SimpleForum.Data.Models;
using SimpleForum.Classes.Core.Extensions;

namespace SimpleForum.Classes.Core.Providers
{
    public class UserProvider : MembershipProvider
    {
        private readonly IRepository<User> UserRepository;

        public UserProvider(IRepository<User> UserRepository)
        {
            this.UserRepository = UserRepository;
        }

        public override string ApplicationName
        {
            get
            {
                throw new NotImplementedException();
            }
            set
            {
                throw new NotImplementedException();
            }
        }

        public override bool ChangePassword(string username, string oldPassword, string newPassword)
        {
            throw new NotImplementedException();
        }

        public override bool ChangePasswordQuestionAndAnswer(string username, string password, string newPasswordQuestion, string newPasswordAnswer)
        {
            throw new NotImplementedException();
        }

        public override MembershipUser CreateUser(string username, string password, string email, string passwordQuestion, string passwordAnswer, bool isApproved, object providerUserKey, out MembershipCreateStatus status)
        {
            throw new NotImplementedException();
        }

        public override bool DeleteUser(string username, bool deleteAllRelatedData)
        {
            throw new NotImplementedException();
        }

        public override bool EnablePasswordReset
        {
            get { throw new NotImplementedException(); }
        }

        public override bool EnablePasswordRetrieval
        {
            get { throw new NotImplementedException(); }
        }

        public override MembershipUserCollection FindUsersByEmail(string emailToMatch, int pageIndex, int pageSize, out int totalRecords)
        {
            throw new NotImplementedException();
        }

        public override MembershipUserCollection FindUsersByName(string usernameToMatch, int pageIndex, int pageSize, out int totalRecords)
        {
            throw new NotImplementedException();
        }

        public override MembershipUserCollection GetAllUsers(int pageIndex, int pageSize, out int totalRecords)
        {
            throw new NotImplementedException();
        }

        public override int GetNumberOfUsersOnline()
        {
            throw new NotImplementedException();
        }

        public override string GetPassword(string username, string answer)
        {
            throw new NotImplementedException();
        }

        public override MembershipUser GetUser(string username, bool userIsOnline)
        {
            var User = UserRepository.Get().SingleOrDefault(x => x.UserName == username);

            return null;
        }

        public override MembershipUser GetUser(object providerUserKey, bool userIsOnline)
        {
            throw new NotImplementedException();
        }

        public override string GetUserNameByEmail(string email)
        {
            throw new NotImplementedException();
        }

        public override int MaxInvalidPasswordAttempts
        {
            get { throw new NotImplementedException(); }
        }

        public override int MinRequiredNonAlphanumericCharacters
        {
            get { throw new NotImplementedException(); }
        }

        public override int MinRequiredPasswordLength
        {
            get { throw new NotImplementedException(); }
        }

        public override int PasswordAttemptWindow
        {
            get { throw new NotImplementedException(); }
        }

        public override MembershipPasswordFormat PasswordFormat
        {
            get { throw new NotImplementedException(); }
        }

        public override string PasswordStrengthRegularExpression
        {
            get { throw new NotImplementedException(); }
        }

        public override bool RequiresQuestionAndAnswer
        {
            get { throw new NotImplementedException(); }
        }

        public override bool RequiresUniqueEmail
        {
            get { throw new NotImplementedException(); }
        }

        public override string ResetPassword(string username, string answer)
        {
            throw new NotImplementedException();
        }

        public override bool UnlockUser(string userName)
        {
            throw new NotImplementedException();
        }

        public override void UpdateUser(MembershipUser user)
        {
            throw new NotImplementedException();
        }

        public override bool ValidateUser(string Email, string Password)
        {
            var User = UserRepository.Get().GetUserByEmail(Email);

            if (User != null && User.PasswordHash == FormsAuthentication.HashPasswordForStoringInConfigFile(Password, "SHA1"))
            {
                var Ticket = new FormsAuthenticationTicket(1, Email, DateTime.Now, DateTime.Now.AddMinutes(60), true, String.Empty);
                var Cookie = new HttpCookie(FormsAuthentication.FormsCookieName, FormsAuthentication.Encrypt(Ticket))
                {
                    Expires = Ticket.Expiration,
                    Path = FormsAuthentication.FormsCookiePath
                };

                if(HttpContext.Current != null) HttpContext.Current.Response.Cookies.Add(Cookie);

                User.DateLastActivity = DateTime.Now;
                User.DateLastLogin = DateTime.Now;
                UserRepository.Update(User);

                return true;
            }

            return false;
        }

        public void Logout()
        {
            FormsAuthentication.SignOut();
        }
    }
}